Umpquah River : topography soutward [sic] : sheet no. 2 / U.S. Coast and Geodetic Survey, F.M. Thorn, Superintendent ; by Louis A. Sengteller, Assistant. 1886.
Related Entities
There are 2 Entities related to this resource.
Thorn, F. M.
http://n2t.net/ark:/99166/w6dk2v5r (person)
Sengteller, L. A. (Louis A.)
http://n2t.net/ark:/99166/w69p6qz1 (person)